* Get the value of property as {@link String}.
     * @param propertyKey The key of the property. (NotNull)
     * @return The value of found property. (NotNull: if not found, exception)
     * @throws ConfigPropertyNotFoundException When the property is not found.
     */
    String get(String propertyKey);

    /**
     * Is the property true?
     * @param propertyKey The key of the property which is boolean type. (NotNull)

- gotest.tools/gotestsum: v0.3.5
- grpc.go4.org: 11d0a25
- k8s.io/klog: v1.0.0
- k8s.io/repo-infra: v0.0.1-alpha.1
- mvdan.cc/interfacer: c200402
- mvdan.cc/lint: adc824a
- mvdan.cc/unparam: fbb5962
- sourcegraph.com/sqs/pbtypes: d3ebe8f


## Dependencies

### Added
- cloud.google.com/go/bigquery: v1.0.1
- cloud.google.com/go/datastore: v1.0.0